array( 'dsn' => '', 'hostname' => '127.0.0.1', 'username' => 'travis', 'password' => 'travis', 'database' => 'ci_test', 'dbdriver' => 'mysqli' ), // Database configuration with failover 'mysqli_failover' => array( 'dsn' => '', 'hostname' => '127.0.0.1', 'username' => 'not_travis', 'password' => 'wrong password', 'database' => 'not_ci_test', 'dbdriver' => 'mysqli', 'failover' => array( array( 'dsn' => '', 'hostname' => '127.0.0.1', 'username' => 'travis', 'password' => 'travis', 'database' => 'ci_test', 'dbdriver' => 'mysqli', ) ) ) );